Urogenital Diseases Flashcards
What is the epidemiology of urethritis?
Most common condition in men at GUM clinics
Non-gonococcal urethritis is more common than gonococcal urethritis
Chlamydia is the most common STI in young people
What are the main causes of urethritis?
Gonococcal: Neisseria gonorrhoea
Non-gonococcal: chlamydia trachmatis, mycoplasma genitalium, ureaplasma urealyticum, trichomonas vaginalis
Non-infective: Trauma, urethral stricture, irritation, urinary caliculi
What are the risk factors for urethritis?
Sexually active
Unprotective sex
Male to male sex
Male
What is the clinical presentation of urethritis?
- May be asymtpomatic
- Dysuria +/- discharge
- Urethral pain
- Penile discomfort
- Skin lesions
- Systemic symptoms
How is urethritis diagnosed?
Nucleic acid amplification test (female= self collected vaginal test, male= first void urine)
Microscopy of gram stained smears of genital secretions
Blood cultures
Urine dipstick to exclude UTI
How is chlamydia urethritis treated?
Oral ozithromycin stat, or 1 week oral doxycycline
How is gonorrhoea urethritis treated?
IM ceftriaxone with oral azithromycin
How is urethritis treated?
Treat infection with antibiotics
Test for other STIs
Partner notification
What is urethritis?
Urethral inflammation caused by infectious or non-infectious causes. Normally due to an STD
What is the epidemiology of cystitis?
Much more common in women
Can occur in children
Most common cause is E coli
What are the risk factors for cystitis?
Urinary obstruction resulting in statis
Previous damage to bladder epithelium
Bladder stones
Poor bladder emptying
What is the clinical presentation of cystitis?
Dysuria Frequency Urgency Suprapubic pain Smelly and cloudy urine Haematuria Abdominal pain
How is cystitis diagnosed?
Microscopy and sensitivity of sterile mid-stream urine= positive if there are leucocytes, blood and nitrates
How is cystitis treated?
3-5 days of nitrofurantoin or trimethoprim
What is the epidemiology of prostatitis?
Common in men of all ages
Most common UTI in men under 50
Usually presents over 35
Associated with LUTs
What is the aetiology of acute prostatitis?
Strep. faecalis, E coli, Chlamydia
What is the aetiology of chronic prostatitis?
Bacterial ( same as acute) or non-bacterial such as increased prostatic pressure or pelvic floor myalgia
What are the risk factors of prostatitis?
STI, UTI, Indwelling catheter, post-biopsy, increasing age
What is the clinical features of acute prostatitis?
Systemically unwell, fever, rigors, malaise, pain on ejaculating, dysuria, straining etc.
What are the clinical features of chronic prostatitis?
The acute symptoms for more than 3 months, pelvic pain, recurrent UTIs
How is prostatitis diagnosed?
DRE: Prostate is tender or hot to touch. Hard from calcification
Urine dipstick: Positive for leucocytes and nitrates
Mid stream urine microscopy and sensitivity
Blood cultures
STI screen
Trans urethral ultrasound scan
How is acute prostatitis treated?
IV gentamycin and IV amoxiclav or IV tazocin
2-4 weeks on a quinolone e.g. ciprofloxacin
Second line= Trimethoprim
Truss guided abcess draining
How is chronic prostatitis treated?
4-6 week course of quinolone e.g. ciprofolaxacin
+/- alpha blocker= tamsulosin
NSAIDs
What is the epidemiology of benign prostatic hyperplasia?
- More common in over 60s (40%)
- Unusual before 45
- Affects Afro-Caribbean population more due to increased testosterone
What are the risk factors for benign prostatic hyperplasia?
- Higher age
- Non-castration
Briefly explain the pathology of benign prostatic hyperplasia
Benign nodular or diffuse proliferation of musculofibrous and glandular layers of prostate. Inner (transitional) zone enlarges. As the prostate gets bigger, it may squeeze or partly block the urethra.
What is the differential diagnosis of benign prostatic hyperplasia?
Bladder tumour, bladder stones, trauma, prostate cancer, chronic prostatitis, UTI
What is the clinical presentation of benign prostatic hyperplasia?
- Lower urinary tract symptoms= nocturia, frequency, urgency, post-micturition dribbling, poor stream, hesitancy, overflow, incontinance, bladder stones, haematuria
- Enlarged bladder
- Acute urinary retention
- Anuria in a small number of cases
How is benign prostatic hyperplasia diagnosed?
- DRE: Enlarged but smooth prostate
- Transrectal ultrasound: Enlarged prostate
- Biopsy and endoscopy
- Mid-stream urine sample to check for infection
- Serum PSA may be raised
- Low urine flow rate
- Serum electrolytes and renal ultrasound to exclude renal damage due to obstruction
- Frequency vol chart: measure vol voided over a minimum of 3 days
How is benign prostatic hyperplasia treated?
- If minimal symptoms, watchful waiting
- Lifestyle: Avoid caffeine and alcohol, relax when voiding
- Drugs= alpha 1 antagonists and 5 alpha reductase inhibitors
- Surgery: Transurethral resection of prostate and transurethral incision of prostate
What are some possible complications of benign prostatic hyperplasia ?
Bladder caliculi, haematuria, acute retention, UTI
What is the epidemiology of testicular torsion?
Common urological emergency, typically neonates or post-pubertal boys, left side is more common
What is the aetiology of testicular torsion?
Underlying congenital malformation- belt clapper deformity, where testis is not completely fixed to scrotum= Free movement
What are the risk factors for testicular torsion?
Genetic factors
What is the clinical presentation of testicular torsion?
- Sudden onset of pain in one teste should be checked
- Pain often comes on during sport or physical activity
- Pain in abdomen, nausea and vomitting common
- Inflammation of the testes= Tender, hot and swollen
- Testes may lie high and transversely
What is the differential diagnosis of testicular torsion?
- Epididymo-orchitis
- Tumour, trauma and an acute hydrocele
- Torsion of testicicular and epididymal appendage
How is testicular torsion diagnosed?
Doppler ultrasound may demonstrate lack of blood flow to testes
Urinalysis to exclude infection
Surgical exploration
How is testicular torsion treated?
Surgery- expose and untwist
Orchidectomy (removal of testes) and bilateral fixation
What are some complications of testicular torsion?
Infarction of the testicle and atrophy
What is the epidemiology of chlamydia?
Most common STI
More common in women
Most common in 15-25 yr olds
What causes chlamydia?
Chlamydia trachomatis (gram -ve bacterium)
What are the sites of occurrence of chlamydia/gonorrhoea in adults?
Urethra, endocervical canal, rectum, pharynx, conjunctiva
What are the sites of occurrence of chlamydia/gonorrhoea in neonates?
Conjunctiva
Atypical pneumonia also in neonatal chlamydia
What is the transmission rate of chlamydia?
FTM= 70% MTF= 70%
What are the clinical features of chlamydia in females?
- Asymptomatic in over 70%
- Non specific symptoms of dysuria, menstrual irregularity and discharge
What are the female complications of chlamydia/gonorrhoea infection?
- Pelvic inflammatory disease
- Neonatal transmission
- Fitz-Hugh-Curtis syndrome